Posted by: Anonymous Coward
on September 04, 2003 11:21 PM
I'm in the business too. In fact I design and install electrical network protection systems and this is wrong. The computer systems at the ISOs (independent system operators) used for SCADA (supervisory control and data acquisition) are not MS Windows based. However, even if the SCADA was windows based, these systems are not used for actual system protections, as the network operators do not have time to respond. Cascade outages happen within in seconds or a part of a second. In any case the protection engineer would not trust the operator to respond in time to protect equipment.
All the network protection systems I'm aware of, which are quite a few, do not have any connections to a network other than for plain status and alarming. In fact, the bulk of these protections are not even digital.
There has been no evidence at all to suggest that any virus impacted the recent blackout.
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Re:Aging planta and substations
Posted by: Anonymous Coward on September 04, 2003 11:21 PMI'm in the business too. In fact I design and install electrical network protection systems and this is wrong. The computer systems at the ISOs (independent system operators) used for SCADA (supervisory control and data acquisition) are not MS Windows based. However, even if the SCADA was windows based, these systems are not used for actual system protections, as the network operators do not have time to respond. Cascade outages happen within in seconds or a part of a second. In any case the protection engineer would not trust the operator to respond in time to protect equipment.
All the network protection systems I'm aware of, which are quite a few, do not have any connections to a network other than for plain status and alarming. In fact, the bulk of these protections are not even digital.
There has been no evidence at all to suggest that any virus impacted the recent blackout.
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